<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>Overview</title>
<title>CMSIS-Driver: Overview</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="cmsis.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<script type="text/javascript" src="printComponentTabs.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
  $(document).ready(initResizable);
  $(window).load(resizeHeight);
</script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
  $(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 46px;">
  <td id="projectlogo"><img alt="Logo" src="CMSIS_Logo_Final.png"/></td>
  <td style="padding-left: 0.5em;">
   <div id="projectname">CMSIS-Driver
   &#160;<span id="projectnumber">Version 2.7.1</span>
   </div>
   <div id="projectbrief">Peripheral Interface for Middleware and Application Code</div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<div id="CMSISnav" class="tabs1">
    <ul class="tablist">
      <script type="text/javascript">
		<!--
		writeComponentTabs.call(this);
		//-->
      </script>
	  </ul>
</div>
<!-- Generated by Doxygen 1.8.6 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li class="current"><a href="index.html"><span>Main&#160;Page</span></a></li>
      <li><a href="pages.html"><span>Usage&#160;and&#160;Description</span></a></li>
      <li><a href="modules.html"><span>Reference</span></a></li>
      <li>
        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <img id="MSearchSelect" src="search/mag_sel.png"
               onmouseover="return searchBox.OnSearchSelectShow()"
               onmouseout="return searchBox.OnSearchSelectHide()"
               alt=""/>
          <input type="text" id="MSearchField" value="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
          </span>
        </div>
      </li>
    </ul>
  </div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
  <div id="nav-tree">
    <div id="nav-tree-contents">
      <div id="nav-sync" class="sync"></div>
    </div>
  </div>
  <div id="splitbar" style="-moz-user-select:none;" 
       class="ui-resizable-handle">
  </div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('index.html','');});
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark">&#160;</span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark">&#160;</span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark">&#160;</span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark">&#160;</span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark">&#160;</span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark">&#160;</span>Pages</a></div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div class="header">
  <div class="headertitle">
<div class="title">Overview </div>  </div>
</div><!--header-->
<div class="contents">
<div class="textblock"><p>The CMSIS-Driver specification is a software API that describes peripheral driver interfaces for middleware stacks and user applications. The CMSIS-Driver API is designed to be generic and independent of a specific RTOS making it reusable across a wide range of supported microcontroller devices. The CMSIS-Driver API covers a wide range of use cases for the supported peripheral types, but can not take every potential use-case into account. Over time, it is indented to extend the CMSIS-Driver API with further groups to cover new use-cases.</p>
<p>The CMSIS Software Pack publishes the API Interface under the Component Class <b>CMSIS</b> <b>Driver</b> with header files and a documentation. These header files are the reference for the implementation of the standardized peripheral driver interfaces. These implementations are published typically in the Device Family Pack of a related microcontroller family under the Component Class <b>CMSIS</b> <b>Driver</b>. A Device Family Pack may contain additional interfaces in the Component Class <b>Device</b> to extend the standard Peripheral Drivers covered by this CMSIS-Driver specification with additional device specific interfaces for example for Memory BUS, GPIO, or DMA.</p>
<p>The standard peripheral driver interfaces connect microcontroller peripherals for example with middleware that implements communication stacks, file systems, or graphic user interfaces. Each peripheral driver interface may provide multiple instances reflecting the multiple physical interfaces of the same type in a device. For example the two physical SPI interfaces are reflected with a separate <a class="el" href="theoryOperation.html#AccessStruct">Access Struct</a> for SPI1 and SPI2. The <a class="el" href="theoryOperation.html#AccessStruct">Access Struct</a> is the interface of a driver to the middleware component or the user application.</p>
<div class="image">
<img src="Driver.png" alt="Driver.png"/>
<div class="caption">
Peripheral Driver Interfaces and Middleware</div></div>
<p> The following CMSIS-Driver API groups are defined:</p>
<ul>
<li><a class="el" href="group__can__interface__gr.html">CAN</a>: Interface to CAN bus peripheral.</li>
<li><a class="el" href="group__eth__interface__gr.html">Ethernet</a>: Interface to Ethernet MAC and PHY peripheral.</li>
<li><a class="el" href="group__i2c__interface__gr.html">I2C</a>: Multi-master Serial Single-Ended Bus interface driver.</li>
<li><a class="el" href="group__mci__interface__gr.html">MCI</a>: Memory Card Interface for SD/MMC memory.</li>
<li><a class="el" href="group__nand__interface__gr.html">NAND</a>: NAND Flash Memory interface driver.</li>
<li><a class="el" href="group__flash__interface__gr.html">Flash</a>: Flash Memory interface driver.</li>
<li><a class="el" href="group__sai__interface__gr.html">SAI</a>: Serial audio interface driver (I2s, PCM, AC'97, TDM, MSB/LSB Justified).</li>
<li><a class="el" href="group__spi__interface__gr.html">SPI</a>: Serial Peripheral Interface Bus driver.</li>
<li><a class="el" href="group__storage__interface__gr.html">Storage</a>: Storage device interface driver.</li>
<li><a class="el" href="group__usart__interface__gr.html">USART</a>: Universal Synchronous and Asynchronous Receiver/Transmitter interface driver.</li>
<li><a class="el" href="group__usb__interface__gr.html">USB</a>: Interface driver for USB Host and USB Device communication.</li>
<li><a class="el" href="group__wifi__interface__gr.html">WiFi</a>: Interface driver for wireless communication.</li>
</ul>
<hr/>
<h2>CMSIS-Driver in ARM::CMSIS Pack </h2>
<p>The following files relevant to CMSIS-Driver are present in the <b>ARM::CMSIS</b> Pack directories: </p>
<table class="doxtable">
<tr>
<th>Directory </th><th>Content  </th></tr>
<tr>
<td><b>CMSIS/Documentation/Driver</b> </td><td>This documentation </td></tr>
<tr>
<td><b>CMSIS/Driver/Include</b> </td><td>Driver header files (Driver_<em>interface</em>.h, <a class="el" href="Driver__Common_8h.html">Driver_Common.h</a>) </td></tr>
<tr>
<td><b>CMSIS/Driver/DriverTemplates</b> </td><td>Driver implementation template files (Driver_<em>interface</em>.c) </td></tr>
</table>
<hr/>
 </div></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
  <ul>
    <li class="footer">Generated on Wed Jul 10 2019 15:20:32 for CMSIS-Driver Version 2.7.1 by Arm Ltd. All rights reserved.
	<!--
    <a href="http://www.doxygen.org/index.html">
    <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6 
	-->
	</li>
  </ul>
</div>
</body>
</html>
